<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div class="div1"></div>
</body>
<script src="../src/ec`-do-3.0.0-beta.2.dom.js"></script>
<script>
    let oDiv=document.querySelector('.div1');
    ecDom.html(oDiv,'我是守候').addClass(oDiv,'div2').replaceClass(oDiv,'div1','div3').css(oDiv,{'color':'#f00','background':'#ccc'})
    console.log(ecDom.hasClass(oDiv,'div6'))
    ecDom.text(oDiv,'<div class="div6">9998</div>')
</script>
</html>